Apps similar to Wwise include OpenAL Soft, which is free and open source. Other options are PortAudio, RtAudio, FMOD Ex and SoLoud. In total there are six apps like Wwise for Mac, Windows, Linux, the web and Android.
OpenAL Soft is an LGPL-licensed, cross-platform, software implementation of the OpenAL 3D audio API. It's forked from the open-sourced Windows version available originally from openal.org's SVN repository (now defunct).
PortAudio is a cross platform, open-source, audio I/O library. It provides a very simple API for recording and/or playing sound using a simple callback function.
RtAudio is a set of C++ classes that provide a common API for realtime audio input/output across Linux, Macintosh OS-X and Windows operating systems. RtAudio significantly simplifies the process of interacting with computer audio hardware.
FMOD is a proprietary audio library that plays music files of diverse formats on many different operating system platforms, used in games and software applications to provide audio functionality.
SoLoud is portable - the c/c++ code base is written in portable way, and the code has been used on various platforms including windows, osx, linux, as well as android and even ps4. (I'm not responsible for many of the platforms, though, and for licensing reasons, ps4 code is...
Finland
EU
Anti Tapes Studio is a dependency-free Web Audio engine for designing responsive sound for software, web, and mobile interfaces.
United States
Australia
